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Engine-Codes – GMC – B252C 2017 GMC Sierra

B252C 2017 GMC Sierra Code - Child Security Lock Switch Circuit

Quick Answer

The B252C diagnostic trouble code (DTC) for the 2017 GMC Sierra relates to the Child Security Lock Switch Circuit. Common causes include Faulty wiring in the child security lock circuit, Malfunctioning child security lock switch, Issues with the control module. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means
B252C 2017 GMC Sierra indicates Child Security Lock Switch Circuit.
Common causes
Common causes include Faulty wiring in the child security lock circuit, Malfunctioning child security lock switch, Issues with the control module.
Severity
High - diagnose this code as soon as possible.
Can I drive?
Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
What is this?
Table of contents Created and updated by William Orellana on Sep 17, 2024
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Code B252C 2017 GMC Sierra Description

The B252C diagnostic trouble code (DTC) for the 2017 GMC Sierra relates to the Child Security Lock Switch Circuit. This code indicates that there is a malfunction in the circuit responsible for controlling the child safety locks in the vehicle. The child security lock system is designed to prevent the rear doors from being opened from the inside, providing added safety for young passengers. When this circuit malfunctions, it can lead to issues with the proper functioning of the child safety locks.

OBDII Code B252C 2017 GMC Sierra - Child Security Lock Switch Circuit
B252C 2017 GMC Sierra Code - Child Security Lock Switch Circuit

Common Causes of B252C 2017 GMC Sierra

  1. Faulty wiring in the child security lock circuit
  2. Malfunctioning child security lock switch
  3. Issues with the control module
  4. Poor connection in the circuit

Symptoms of B252C 2017 GMC Sierra

  1. Child safety locks not engaging properly
  2. Inability to activate or deactivate child security locks
  3. Dashboard warning light related to child security lock system
  4. Rear doors opening from the inside unexpectedly

How to Fix B252C 2017 GMC Sierra

  1. Begin by conducting a thorough inspection of the child security lock circuit to identify any visible damage or loose connections.
  2. Test the child security lock switch to determine if it is functioning correctly.
  3. Check the wiring and connections in the circuit for any signs of wear or damage, repairing or replacing as necessary.
  4. If the issue persists, consider testing the control module for any faults and replace if needed.
  5. Clear the DTC and test the child security lock system to ensure proper functionality.

Cost to Fix B252C 2017 GMC Sierra

The typical repair costs for addressing the Child Security Lock Switch Circuit issue can vary depending on the specific cause of the problem. In general, the cost of parts and labor for this repair could range from $100 to $300. However, it is important to note that diagnosis time and labor rates at auto repair shops can vary based on factors such as location, vehicle make and model, and engine type. It is advisable to check with local auto repair shops for a more accurate estimate based on your specific circumstances.

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about B252C 2017 GMC Sierra Code

1. What does OBDII code B252C on a 2017 GMC Sierra indicate?

This code, titled "Child Security Lock Switch Circuit," refers to a fault in the child security lock switch circuit within the vehicle.

2. What are the common symptoms of OBDII code B252C in a 2017 GMC Sierra?

Common symptoms may include malfunctioning child safety locks, inability to engage or disengage the child security lock system, and warning lights on the dashboard.

3. What are the possible causes of OBDII code B252C in a 2017 GMC Sierra?

Potential causes of this code may include a faulty child security lock switch, wiring issues in the circuit, a malfunctioning control module, or a poor connection in the system.

4. How can I diagnose the issue related to OBDII code B252C in my 2017 GMC Sierra?

Diagnosing the problem may involve visually inspecting the child security lock switch, testing the switch for continuity, checking the wiring for any damage or loose connections, and using a diagnostic scan tool to gather more information.

5. Can I continue driving my 2017 GMC Sierra with OBDII code B252C present?

It is generally not recommended to continue driving with this code active, as it may affect the proper functioning of the child security lock system, compromising passenger safety.

6. How can I repair OBDII code B252C in my 2017 GMC Sierra?

Repairing this code may involve replacing the child security lock switch, repairing any damaged wiring, addressing any issues with the control module, and ensuring all connections are secure.

7. Will resetting the OBDII system clear the B252C code on my 2017 GMC Sierra?

Resetting the OBDII system may temporarily clear the code, but if the underlying issue causing the B252C code is not addressed, it is likely to reappear upon driving the vehicle again.

8. Is it possible to fix OBDII code B252C in a 2017 GMC Sierra without professional help?

While some DIY enthusiasts may attempt to diagnose and repair this code, it is recommended to seek professional help, especially if you are not experienced in automotive electrical systems.

9. How much can I expect to pay to repair OBDII code B252C in my 2017 GMC Sierra?

The cost of repairing this code can vary depending on the specific cause of the issue, the parts needed for replacement, and the labor rates of the repair shop. It is advisable to obtain quotes from different service providers.

10. Can OBDII code B252C in a 2017 GMC Sierra cause any other problems in the vehicle?

While the primary concern with this code is related to the child security lock system, unresolved electrical issues in the circuit could potentially lead to other electrical problems in the vehicle over time.

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